RF1126

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RF Switches are electronic switches used to close or open a circuit at the radio frequency (RF) OR microwave frequency level.  RF switches are used in numerous applications such as in automotive telematics systems, cellular networks, GPS (Global Positioning Systems), military communications, wireless LANs (WLANs), automotive radars and remote sensing systems.RF1126 is one such RF switch that has been designed to provide an integrated solution for an RF switch with a single-pole, eight-throw (SP8T) switch suitable for intermediate frequencies up to 8 GHz. It is suitable for use in mobile communications, GPS navigation systems, broadcast receivers, medical instrumentation, waveguide switching matrixes, microwave link systems and instrumentation.

RF1126 offers a typical power handling of 3.5W max. It is quite reliable with low power consumption and generates very low heat dissipation. It can be used in temperature range of -30°C to +85°C. The package used is a leadless chip carrier that supports 18 GHz operation to provide for greater flexibility, high performance and low insertion loss.

The RF1126 has an off-isolation of greater than 45 dB and can handle RF inputs of up to 18 GHz. It has a low insertion loss and wideband performance with low power consumption. It features gold-plated switches and contacts for repeatable low loss switching, high reliability and low power consumption. It is typically used in cellular phones, broadband test equipment, data radios and various RF signal routing applications.

The RF1126 is composed of many layers including the electrodes, the dielectric layers, and the walls of the package. The electrodes form the basis of the structure of the switch. They consist of two thin metal copper plates separated by a dielectric substrate material, which helps the switch to conduct signals without leaking energy externally. This structure is able to support very high frequencies due to the low capacitance and inductance between the layers. The dielectric layers act as insulators between the electrodes, helping them to remain isolated from each other at all times. The walls of the package help to house all the components of the switch and protect them from external electrical interference. Additionally, they provide a place for the signals to be routed in and out of the switch.

The working principle of RF1126 is quite simple. The electrodes are used to open and close the circuit when the circuit is open or closed. This is done by applying a voltage to the electrodes which causes them to become conductive and allows the signal to pass through. When the voltage is increased, the electrodes become nonconductive, thus blocking the signal from passing through. This switching action is what allows for the re-routing of the signal.
There are various types of RF switches, but RF1126 is the most commonly used. It can be used in a variety of applications, from automotive to military, making it a very popular choice for RF switching. Its low power consumption, robustness and wide bandwidth make it an ideal choice for switching RF signals. Additionally, its ability to open and close circuit rapidly with low losses also makes it a great choice for a variety of applications.

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